| | |
| | | |
| | | import org.apache.ibatis.annotations.Param; |
| | | import org.apache.ibatis.annotations.Select; |
| | | import org.apache.ibatis.annotations.Update; |
| | | |
| | | /** |
| | | * 空间基础Mapper |
| | |
| | | * @param gid GID |
| | | * @return WKT |
| | | */ |
| | | @Select("select st_astext(geom) geom from ${tab} where gid = #{gid}") |
| | | @Select("select ST_AsText(geom) geom from ${tab} where gid = #{gid}") |
| | | public String selectWktById(@Param("tab") String tab, @Param("gid") Integer gid); |
| | | |
| | | /** |
| | | * 根据表名查询空间参考 |
| | | * |
| | | * @param tab 表名 |
| | | * @return SRID |
| | | */ |
| | | @Select("select ST_SRID(geom) from ${tab} where geom is not null limit 1") |
| | | public Integer selectSrid(@Param("tab") String tab); |
| | | |
| | | /** |
| | | * 根据表名查询空间类型 |
| | | * |
| | | * @param tab 表名 |
| | | * @return SRID |
| | | */ |
| | | @Select("select ST_GeometryType(geom) from ${tab} where geom is not null limit 1") |
| | | public String selectGeometryType(@Param("tab") String tab); |
| | | |
| | | /** |
| | | * 更新空间位置 |
| | | * |
| | | * @param tab 表名 |
| | | * @param gid GID |
| | | * @param wkt WKT |
| | | * @return 影响行数 |
| | | */ |
| | | @Update("update ${tab} set geom = ST_GeomFromText('${wkt}') where gid = #{gid}") |
| | | public Integer updateGeom(@Param("tab") String tab, @Param("gid") Integer gid, @Param("wkt") String wkt); |
| | | } |